feat(docs): put-txt preserves line breaks in DOCX

TxtToMarkdown uses markdown hard breaks so pandoc keeps each source
line on its own row. Adds oo docs put-txt and projects files alias.

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/oo/projects_files.go

@@ -28,6 +28,7 @@ func projectFilesCmd() *cobra.Command {
 	// Convenience aliases into oo docs (md↔docx / OCR pipeline).
 	cmd.AddCommand(aliasDocsAsMD())
 	cmd.AddCommand(aliasDocsPutMD())
+	cmd.AddCommand(aliasDocsPutTxt())
 	return cmd
 }
 
@@ -45,6 +46,13 @@ func aliasDocsPutMD() *cobra.Command {
 	return c
 }
 
+func aliasDocsPutTxt() *cobra.Command {
+	c := docsPutTxtCmd()
+	c.Use = "put-txt PROJECT_ID TEXT_PATH"
+	c.Short = "Alias of `oo docs put-txt` — plain text→DOCX upload into project"
+	return c
+}
+
 func prjFilesListCmd() *cobra.Command {
 	var showFolders bool
 	cmd := &cobra.Command{